15 jan 1830 ano - 1830s Irish, German, and Mexican Immigrants

Descrição:

A. These immigrants came from Ireland, Germany, and Mexico.
B. These immigrants came to America to take advantage of the cheap farmland that America had to offer.
C. They left their origin countries to escape financial tension.
D. Once in America, these immigrants were used in positions of intense manual labor and participated in much of the "dirty work" needed to help progress the country.
http://www.ushistory.org/us/25f.asp